15
DN-S1000
ADSP-BF531 (IC401)
ADSP-BF531 Terminal Function
Pin
No.
Pin Name Symbol I/O DET Ext Ini Res Function
1 GND GND - - - - - GND
2 GND GND - - - - - GND
3 GND GND - - - - - GND
4 VROUT2 O - - - - Ext. FET drive output 2
5 VROUT1 VROUT1 O - - - - Ext. FET drive output 1
6 VDDEXT VDDEXT I - - - - I/O power supply (+3.3V)
7 GND GND - - - - - GND
8 GND GND - - - - - GND
9 GND GND - - - - - GND
10 CLKIN CLKIN I - - - - Clock input
11 XTAL XTAL O - - - - Crystal/Oscillation terminal
12 VDDEXT VDDEXT I - - - - I/O power supply (+3.3V)
13 _RESET _RESET I - - - - Reset signal input
14 NMI NMI I - - - - Non-maskable interrupt
15GND GND -----GND
16 RTXO O - - - - RTC crystal/Oscillation output
17 RTXI I - - L L RTC crystal/Oscillation input
18 VDDRTC VDDRTC I - - - - Real time clock power supply (+3.3V)
19GND GND -----GND
20 VDDEXT VDDEXT I - - - - I/O power supply (+3.3V)
21 PPI_CLK I - - L L PPI clock
22 PPI0 O - - L - PPI data 0
23 PPI1 O - - L - PPI data 1
24 PPI2 O - - L - PPI data 2
25 VDDINT VDDINT I - - - - Core power supply (+1.2V)
26 PPI3 O - - L - PPI data 3
27 PF15 O - - L - Programmable flag 15
28 PF14 O - - L - Programmable flag 14
29 PF13 O - - L - Programmable flag 13
30GND GND -----GND
31 VDDEXT VDDEXT I - - - - I/O power supply (+3.3V)
32 PF12 O - - L - Programmable flag 12
33 PF11 O - - L - Programmable flag 11
34 PF10 O - - L - Programmable flag 10
35 PF9 O - - L - Programmable flag 9
36 PF8 O - - L - Programmable flag 8
37 PF7 O - - L - Programmable flag 7
38 PF6 DTIMES O - - L - Playback for SAMPLER clock output
39GND GND -----GND
PIN 1
133
1
132
45
44
88
89
176
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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